#demo1 li {
    color: red;
}
/* a=0 b=1 c=0 d=1 =====0101 */
/* #demo1>li {
    color: red;
} */
/* li.first~li {
    color:green;
}

h1,h2,h3,h4,h5,h6 {
    font-family: "黑体";
} */

h1 {
    color:yellowgreen;
}

h1 {
    color:#063b63;
    color: rgb(40, 40, 82);
}

p {
    text-indent: 2rem;
}
